METHOD FOR PREPARING FULLY PROTECTION HEPARIN PENTASACCHARIDE AND INTERMEDIATE THEREOF
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United States of America Patent
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Oct 8, 2015
app pub date -
May 25, 2012
filing date -
May 25, 2012
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Abstract
Disclosed is a process for chemically synthesizing a pharmaceutical intermediate, in particular to a novel intermediate and novel process for synthesizing an anticoagulant drug fondaparinux sodium intermediate—full protection heparin pentasaccharide. The process has a high reaction efficiency and a simple reaction operation, and enables the reaction intermediate to be easily purified, thus being suitable for the industrialized production of the full protection heparin pentasaccharide.
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